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               <div class="content interceptor">
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<ol class="breadcrumb">
  <li class="breadcrumb-item">Interceptors</li>
  <li class="breadcrumb-item" >DefaultOAuthInterceptor</li>
</ol>

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        <li class="nav-item">
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    <div class="tab-pane fade active in" id="info">
        <p class="comment">
            <h3>File</h3>
        </p>
        <p class="comment">
            <code>projects/lib/src/interceptors/default-oauth.interceptor.ts</code>
        </p>




            <section data-compodoc="block-index">
    <h3 id="index">Index</h3>
    <table class="table table-sm table-bordered index-table">
        <tbody>

                <tr>
                    <td class="col-md-4">
                        <h6><b>Methods</b></h6>
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                        <ul class="index-list">
                            <li>
                                    <span class="modifier">Public</span>
                                <a href="#intercept" >intercept</a>
                            </li>
                        </ul>
                    </td>
                </tr>





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            <section data-compodoc="block-constructor">
    <h3 id="constructor">Constructor</h3>
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            <tbody>
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                    <td class="col-md-4">
<code>constructor(oAuthService: <a href="../injectables/OAuthService.html" target="_self">OAuthService</a>, errorHandler: <a href="../classes/OAuthResourceServerErrorHandler.html" target="_self">OAuthResourceServerErrorHandler</a>, moduleConfig: <a href="../classes/OAuthModuleConfig.html" target="_self">OAuthModuleConfig</a>)</code>
                    </td>
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                        <tr>
                            <td class="col-md-4">
                                <div class="io-line">Defined in <a href="" data-line="23" class="link-to-prism">projects/lib/src/interceptors/default-oauth.interceptor.ts:23</a></div>
                            </td>
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                            <div>
                                    <b>Parameters :</b>
                                    <table class="params">
                                        <thead>
                                            <tr>
                                                <td>Name</td>
                                                    <td>Type</td>
                                                <td>Optional</td>
                                            </tr>
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                                        <tbody>
                                                <tr>
                                                        <td>oAuthService</td>
                                                  
                                                        <td>
                                                                        <code><a href="../injectables/OAuthService.html" target="_self" >OAuthService</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                                <tr>
                                                        <td>errorHandler</td>
                                                  
                                                        <td>
                                                                        <code><a href="../classes/OAuthResourceServerErrorHandler.html" target="_self" >OAuthResourceServerErrorHandler</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                                <tr>
                                                        <td>moduleConfig</td>
                                                  
                                                        <td>
                                                                        <code><a href="../classes/OAuthModuleConfig.html" target="_self" >OAuthModuleConfig</a></code>
                                                        </td>
                                                  
                                                    <td>
                                                            No
                                                    </td>
                                                    
                                                </tr>
                                        </tbody>
                                    </table>
                            </div>
                    </td>
                </tr>
            </tbody>
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</section>

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    <h3 id="methods">
        Methods
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    <table class="table table-sm table-bordered">
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                <td class="col-md-4">
                    <a name="intercept"></a>
                    <span class="name">
                            <span class="modifier">Public</span>
                        <span ><b>intercept</b></span>
                        <a href="#intercept"><span class="icon ion-ios-link"></span></a>
                    </span>
                </td>
            </tr>
            <tr>
                <td class="col-md-4">
                        <span class="modifier-icon icon ion-ios-reset"></span>
                    <code>intercept(req: HttpRequest<any>, next: HttpHandler)</code>
                </td>
            </tr>


                    <tr>
                        <td class="col-md-4">
                            <div class="io-line">Defined in <a href="" data-line="44"
                                    class="link-to-prism">projects/lib/src/interceptors/default-oauth.interceptor.ts:44</a></div>
                        </td>
                    </tr>


            <tr>
                <td class="col-md-4">

                            <div class="io-description">
                                <b>Parameters :</b>
                                
                                <table class="params">
                                    <thead>
                                        <tr>
                                            <td>Name</td>
                                                <td>Type</td>
                                            <td>Optional</td>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        <tr>
                                                <td>req</td>
                                            <td>
                                                        <code>HttpRequest&lt;any&gt;</code>
                                            </td>

                                            <td>
                                                    No
                                            </td>


                                        </tr>
                                        <tr>
                                                <td>next</td>
                                            <td>
                                                        <code>HttpHandler</code>
                                            </td>

                                            <td>
                                                    No
                                            </td>


                                        </tr>
                                    </tbody>
                                </table>
                            </div>
                        <div class="io-description">
                            <b>Returns : </b>    <code>Observable&lt;HttpEvent&lt;any&gt;&gt;</code>

                        </div>
                            <div class="io-description">
                                
                            </div>
                </td>
            </tr>
        </tbody>
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</section>

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    <div class="tab-pane fade  tab-source-code" id="source">
        <pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable, Optional } from &#x27;@angular/core&#x27;;

import {
  HttpEvent,
  HttpHandler,
  HttpInterceptor,
  HttpRequest,
} from &#x27;@angular/common/http&#x27;;
import { Observable, of, merge } from &#x27;rxjs&#x27;;
import {
  catchError,
  filter,
  map,
  take,
  mergeMap,
  timeout,
} from &#x27;rxjs/operators&#x27;;
import { OAuthResourceServerErrorHandler } from &#x27;./resource-server-error-handler&#x27;;
import { OAuthModuleConfig } from &#x27;../oauth-module.config&#x27;;
import { OAuthService } from &#x27;../oauth-service&#x27;;

@Injectable()
export class DefaultOAuthInterceptor implements HttpInterceptor {
  constructor(
    private oAuthService: OAuthService,
    private errorHandler: OAuthResourceServerErrorHandler,
    @Optional() private moduleConfig: OAuthModuleConfig
  ) {}

  private checkUrl(url: string): boolean {
    if (this.moduleConfig.resourceServer.customUrlValidation) {
      return this.moduleConfig.resourceServer.customUrlValidation(url);
    }

    if (this.moduleConfig.resourceServer.allowedUrls) {
      return !!this.moduleConfig.resourceServer.allowedUrls.find((u) &#x3D;&gt;
        url.toLowerCase().startsWith(u.toLowerCase())
      );
    }

    return true;
  }

  public intercept(
    req: HttpRequest&lt;any&gt;,
    next: HttpHandler
  ): Observable&lt;HttpEvent&lt;any&gt;&gt; {
    const url &#x3D; req.url.toLowerCase();

    if (
      !this.moduleConfig ||
      !this.moduleConfig.resourceServer ||
      !this.checkUrl(url)
    ) {
      return next.handle(req);
    }

    const sendAccessToken &#x3D; this.moduleConfig.resourceServer.sendAccessToken;

    if (!sendAccessToken) {
      return next
        .handle(req)
        .pipe(catchError((err) &#x3D;&gt; this.errorHandler.handleError(err)));
    }

    return merge(
      of(this.oAuthService.getAccessToken()).pipe(filter((token) &#x3D;&gt; !!token)),
      this.oAuthService.events.pipe(
        filter((e) &#x3D;&gt; e.type &#x3D;&#x3D;&#x3D; &#x27;token_received&#x27;),
        timeout(this.oAuthService.waitForTokenInMsec || 0),
        catchError(() &#x3D;&gt; of(null)), // timeout is not an error
        map(() &#x3D;&gt; this.oAuthService.getAccessToken())
      )
    ).pipe(
      take(1),
      mergeMap((token) &#x3D;&gt; {
        if (token) {
          const header &#x3D; &#x27;Bearer &#x27; + token;
          const headers &#x3D; req.headers.set(&#x27;Authorization&#x27;, header);
          req &#x3D; req.clone({ headers });
        }

        return next
          .handle(req)
          .pipe(catchError((err) &#x3D;&gt; this.errorHandler.handleError(err)));
      })
    );
  }
}
</code></pre>
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